Adds ways to specify a package to poetry add --help section.

Link with 'www' was being redirected wrong to 'https://spdx.org//licenses/'

These small changes allow `poetry shell` to properly activate a python virtual environment when the user's shell is `tcsh`.

Keep empty in-project venv dir when recreating venv to allow for docker volumes

Broken Link: Index -> Managing Environments

fix wrong manage env url on the commands docs page

Fix documentation of "poetry env list"

first sentence of chapter didn't make sense.

Co-authored-by: Jonathan Piché <jonapich@users.noreply.github.com>

Revert "get-poetry.py fallback to standard executables (#1878) (#2426)"

This reverts commit f8128221.

recurse clone submodules

Just a very small change to fix the link from the main page to the managing environments page.

* get-poetry.py fallback to standard executables

* documentation update

* fix typo due to cleanup

* favor python3 over python2 when creating launcher

* launcher favors 3.5 and up, else the first valid one it finds.

* favor any py3 over py2, not just 3.5+

Co-authored-by: Jonathan Piché <jpiche@coveo.com>

Co-authored-by: Jonathan Piché <jonapich@users.noreply.github.com>
Co-authored-by: Jonathan Piché <jpiche@coveo.com>

Release 1.0.9

Fix legacy repositories packages being continuously updated

Fix wrong indentation in mixology

Added git ssh example to docs

Added a cli add git ssh dependency example to documentation for easy reference.

Release 1.0.8

Release 1.0.7

Release 1.0.6

* Fix resolution of path, url and VCS dependencies

* Fix editable installation of Poetry packages